Crank-operated mill



FIG. 1 is a top/front/right-side perspective view of a crank-operated mill showing my new design;

FIG. 2 is a right-side elevational view thereof, the left-side elevational view being a mirror image thereof and, therefore, not shown;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

I claim the ornamental design for crank-operated mill, shown and described. 